.area {
    margin: 20px auto 0px auto;
}
.mui-input-group:first-child {
    margin-top: 20px;
}
.mui-input-group label {
    width: 22%;
}
.mui-input-row label~input,
.mui-input-row label~select,
.mui-input-row label~textarea {
    width: 78%;
}
.mui-checkbox input[type=checkbox],
.mui-radio input[type=radio] {
    top: 6px;
}
.mui-content-padded {
    margin-top: 25px;
}
.mui-btn {
    padding: 10px;
}
.mui-input-row .mui-btn{
    width: 100px;
}
.btn{
    position:absolute;
    right: 0px;
}